EB73D-SE3640W Equivalent & Substitute Parts

Part Overview

The EB73D-SE3640W is a 72-position female card edge connector manufactured by Vishay Dale, designed for dual-edge board mounting applications with 0.156" (3.96mm) pitch spacing. This connector features gold-plated phosphor bronze contacts with full bellows design and operates across -55°C to 125°C. The product is classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Number of Positions	72
Pitch	0.156" (3.96mm)
Gender	Female
Number of Rows	2
Card Type	Non Specified - Dual Edge
Mounting Type	Board Edge, Straddle Mount
Contact Material	Phosphor Bronze
Contact Finish	Gold
Contact Type	Full Bellows
Termination	Solder Eyelet(s)
Color	Black
Operating Temperature Range	-55°C ~ 125°C
Insulation Material	Polyester Thermoplastic, Glass Filled

Substitute Part Grouping Explanation

Substitution eligibility for the EB73D-SE3640W is determined by strict alignment with the following critical parameters:

Position Count & Pitch: 72 positions at 0.156" (3.96mm) spacing (non-negotiable)
Electrical Configuration: Dual-edge, female gender, full bellows contact type
Mechanical Compatibility: Board edge, straddle mount termination with solder eyelets
Material Specifications: Phosphor bronze contacts with gold plating
Environmental Performance: Operating temperature range and insulation material compatibility

The GSM36DSEN-S13 from Sullins Connector Solutions meets all substitution criteria. While minor variations exist in card thickness tolerance (0.062" vs. 0.054"–0.071") and insulation material composition (Polyamide PA9T vs. Polyester Thermoplastic), these differences remain within acceptable mechanical and electrical compatibility boundaries for dual-edge card edge connector applications.

Parameter Comparison

Parameter	EB73D-SE3640W (Vishay Dale)	GSM36DSEN-S13 (Sullins)	Compatibility
Number of Positions	72	72	Match
Pitch	0.156" (3.96mm)	0.156" (3.96mm)	Match
Gender	Female	Female	Match
Number of Rows	2	2	Match
Card Type	Non Specified - Dual Edge	Non Specified - Dual Edge	Match
Mounting Type	Board Edge, Straddle Mount	Board Edge, Straddle Mount	Match
Contact Material	Phosphor Bronze	Phosphor Bronze	Match
Contact Finish	Gold	Gold	Match
Contact Type	Full Bellows	Full Bellows	Match
Termination	Solder Eyelet(s)	Solder Eyelet(s)	Match
Color	Black	Black	Match
Operating Temperature Range	-55°C ~ 125°C	-65°C ~ 125°C	Compatible (wider range)
Card Thickness	0.054" ~ 0.071" (1.37mm ~ 1.80mm)	0.062" (1.57mm)	Compatible (within tolerance)
Insulation Material	Polyester Thermoplastic, Glass Filled	Polyamide (PA9T), Nylon 9T	Compatible (different polymer, equivalent performance)
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Upgrade available
Product Status	Obsolete	Active	Active alternative

Engineering Selection Recommendations

The GSM36DSEN-S13 is the qualified substitute for the EB73D-SE3640W based on the following engineering criteria:

Functional Equivalence: Both connectors maintain identical electrical and mechanical specifications for 72-position dual-edge card edge applications, ensuring direct form-fit-function compatibility in existing designs.

Compliance Advantage: The GSM36DSEN-S13 achieves ROHS3 compliance, whereas the original EB73D-SE3640W is RoHS non-compliant. This upgrade path supports regulatory requirements for new production and system updates.

Active Product Status: The substitute part is actively manufactured and stocked (898 pcs available), eliminating supply chain risk associated with the obsolete original component.

Environmental Performance: The GSM36DSEN-S13 extends the lower operating temperature limit to -65°C (compared to -55°C), providing enhanced thermal margin for demanding applications.

Mechanical Tolerance: The substitute's card thickness specification of 0.062" falls within the original part's tolerance band of 0.054"–0.071", confirming mechanical interchangeability.

Frequently Asked Questions (FAQ)

Q: Can GSM36DSEN-S13 be used as a direct replacement for EB73D-SE3640W in existing assemblies?

A: Yes. Both connectors share identical position count (72), pitch (0.156"), gender (female), row configuration (2), contact material (phosphor bronze with gold plating), contact type (full bellows), and mounting method (board edge, straddle mount). The substitute's card thickness of 0.062" is within the original part's tolerance range of 0.054"–0.071".

Q: What is the difference in insulation material between these two connectors?

A: The EB73D-SE3640W uses polyester thermoplastic with glass filler, while the GSM36DSEN-S13 uses polyamide (PA9T) nylon 9T. Both materials provide equivalent electrical insulation performance and mechanical stability for card edge connector applications.

Q: Does the GSM36DSEN-S13 meet RoHS requirements?

A: Yes. The GSM36DSEN-S13 is ROHS3 compliant, whereas the original EB73D-SE3640W is RoHS non-compliant. This makes the substitute suitable for applications requiring regulatory compliance.

Q: Are there any temperature range differences?

A: The GSM36DSEN-S13 operates from -65°C to 125°C, compared to the EB73D-SE3640W's -55°C to 125°C range. The substitute provides a 10°C lower temperature margin, which may be beneficial in extreme cold environments.

Q: What packaging format is the substitute available in?

A: The GSM36DSEN-S13 is supplied in tray packaging, with 898 pieces currently in stock as new original inventory.

Q: Are there any electrical performance differences?

A: No. Both connectors use identical contact materials (phosphor bronze), contact finish (gold), and contact type (full bellows), ensuring equivalent electrical performance and signal integrity.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message